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Ostial Left Main (LM) Lesion

Patient History

  • 87 year old female
  • Angina
  • Shortness of breath
  • Recent NSTEMI

Baseline Angiography

Baseline angiography found chronic total occlusion (CTO) of right coronary artery (RCA) and borderline ostial LM lesion. Visualized best in cranial projections. Caudal projections do not reveal LM disease.

Baseline cranial projection of borderline Ostial LM lesion
Baseline HD IVUS measurements - MLA: 11.06 mm2

Conclusion

Based on HD IVUS measurements the ostial LM lesion was not significant and was left untreated

Baseline Angiography

Baseline cranial projection of borderline Ostial LM lesion

Baseline Angiography

Baseline HD IVUS measurements - MLA: 11.06 mm2

Baseline HD IVUS

Baseline HD IVUS of borderline Ostial LM lesion

Baseline HD IVUS

Baseline HD IVUS measurements - MLA: 11.06 mm2